WESTWARD Crane Jack: Crane Jack, 8 ton Load Capacity, 3ZC71/3ZC72, Air/Manual HydraulicWESTWARD Crane Jack: Crane Jack, 8 ton Load Capacity, 3ZC71 3ZC72, Air Manual Hydraulic Item 5M460 Mfr. Model 5M460 Hydraulic crane jacks fit into engine crane stands and work as part of a unit to lift out and hold vehicles engines during repairs. Replacement jacks fit compatible crane equipment and should match the brand of crane system used. Brand WESTWARD Product Type Crane Jack Load Capacity 8 ton Compatible Equipment Grainger Part Number 3ZC71;